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Hugh Foster bought the site in the 1970s and invited archaeologist Harold Mytum to excavate the hill fort. Once the roundhouses had been excavated they were rebuilt using Iron Age materials, which improved our understanding of how the roundhouses were constructed.

The Castell Henllys site was bought by the Pembrokeshire Coast National Park Authority in 1991 and the chief’s house was built a few years later.

You can experience what it was like to rebuild these amazing structures by scooping a handful of daub out of the pit and pasting it on the wattle frame.

Castell Henllys is owned and managed by the Pembrokeshire Coast National Park Authority, in order to:

Help people to understand and enjoy the rich natural and cultural heritage of the National Park

Highlight the special qualities of its character and traditions through the interpretation of Castell Henllys to visitors, students and school children.